See comparison of H. diffinis, gracilis, and thysbe wing patterns (Moth Photographers Group).
Larval host plants include hawthorns, honeysuckle, snowberry, and viburnum (BugGuide).
There are 135 records in the project database.
GA | AL | WA | FR | CL | MO | HO | BA | BC | HA | CE | PG | AA | CV | CH | SM | KE | QA | CN | TA | DO | WI | SO | WO |